What are service workers and how do they relate to PWAs?

What are service workers and how do they relate to PWAs?

Service workers are scripts that run in the background of a web application, enabling features like offline access and push notifications. They are a key component of Progressive Web Apps (PWAs), which aim to provide a native app-like experience on the web.

How do I register a service worker in my web app?

To register a service worker, you can use the following code in your main JavaScript file: if ('serviceWorker' in navigator) { navigator.serviceWorker.register('/service-worker.js').then(...) }.

What are the benefits of using service workers?

Service workers enhance performance by caching resources, enable offline functionality, and allow for background sync and push notifications, improving user engagement.

Can service workers work with any web app?

Yes, service workers can be used with any web app that is served over HTTPS, as they require a secure context to operate.